public class LandscapingVisualFlowController {
 
 String accountId; 
 public LandscapingVisualFlowController(){
    accountId=Apexpages.currentPage().getParameters().get('accid');
    System.debug('CONS '+ accountId);
 }
public  Flow.Interview.LandscapingQuestionnaire landscaping_interview {get;set;}
 
     public PageReference getEndPage() {
        System.debug('$$$$$$ ' + landscaping_interview);
        PageReference pageRef = new Pagereference('/'+accountId);
        
        return pageRef; 
    }

}